The ABB TB541-ETH (1SAP114100R0170) is a terminal base unit specifically designed for the AC500 series of Programmable Logic Controllers (PLCs). It serves as the physical mounting and electrical connection platform for I/O modules, communication modules, and interface components.

As part of the AC500-eCo and AC500-XC platforms, the TB541-ETH enables Ethernet-based communication, provides mechanical support, and facilitates easy wiring and module replacement. It simplifies installation, increases system reliability, and enhances modular scalability by offering a standardized base for consistent module deployment.

Key Features

• Designed for Ethernet-connected I/O systems

• Acts as mechanical mount and electrical connector for AC500 modules

• Compatible with AC500-eCo and AC500-XC controller families

• Provides power and signal distribution to connected modules

• Plug-and-play installation for minimal downtime

• Simplifies replacement and maintenance of modules

• Durable construction suitable for industrial environments

• Standardized dimensions for efficient panel design

• Supports high-density wiring and structured cable routing

• Fully integrated with ABB’s automation ecosystem

Technical Specifications

Industry Applications

• Factory automation and machine control systems

• Material handling and logistics systems

• Food and beverage processing automation

• Water and wastewater treatment plants

• Building automation systems

• Packaging machines and conveyor systems

• OEM control panel integration

• Renewable energy systems (e.g., wind, solar controls)

Product Advantages

• Easy modular assembly: simplifies system expansion and maintenance

• Reliable power and signal distribution for connected I/O modules

• DIN-rail installation reduces wiring time and panel space requirements

• Designed for harsh industrial environments with high temperature and vibration resistance

• Compact and standardized dimensions ensure consistency in control panel design

• Supports high-speed Ethernet-based I/O communication

• Reduces downtime with plug-and-play module replacement

• Fully tested for compatibility with ABB’s AC500 automation architecture

• Minimizes wiring errors through clear labeling and interface design

• Long service life with minimal maintenance requirements

Frequently Asked Questions (FAQ)

1. What PLC series is the TB541-ETH compatible with?

   It is compatible with ABB’s AC500-eCo and AC500-XC series.

2. Does this unit include Ethernet communication ports?

   No, Ethernet communication is provided by the module installed on top (e.g., CPU or communication module).

3. Can I mount this base on a DIN rail?

   Yes, it is DIN rail mountable (35 mm standard).

4. What modules can be mounted on the TB541-ETH?

   Various I/O, CPU, and communication modules from the AC500 family.

5. Does it distribute power to the I/O modules?

   Yes, it delivers 24 V DC power to the connected module stack.

6. Is the terminal type spring or screw?

   It depends on the module being used; the base provides mechanical/electrical connections.

7. Can this base be used in outdoor applications?

   No, it’s IP20 rated and intended for use within control cabinets.

8. What is the physical size of the base?

   Approx. 45 mm wide, 100 mm tall, and 75 mm deep.

9. Is the TB541-ETH RoHS compliant?

   Yes, it fully complies with RoHS directives.

10. Can this terminal base be reused when replacing modules?

    Yes, modules can be replaced without removing the terminal base.